Pulmonary Function Tests and Asthma Classification
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Questions and Answers

What is the normal range for the ratio of FEV1 to FVC in healthy adults?

  • 90% - 95%
  • 75% - 80% (correct)
  • 40% - 50%
  • 50% - 60%

    • What is the key characteristic of asthma?

  • Absence of airway inflammation
  • Permanent airflow obstruction
  • Irreversible bronchoconstriction
  • Reversible airflow obstruction (correct)

    • Which of the following cells are NOT typically involved in the inflammatory cascade in asthma?

  • Platelets (correct)
  • Mast cells
  • Eosinophils
  • Neutrophils

    • Which medication for asthma works by inhibiting the inflammatory/immune response?

    <p>Inhaled Corticosteroids</p> Signup and view all the answers

    What is one of the triggers of asthma symptoms?

    <p>Allergens and pharmacologic agents</p> Signup and view all the answers

    What is the function of muscarinic receptor antagonists in asthma treatment?

    <p>Relax airways by blocking acetylcholine impulses</p> Signup and view all the answers

    Which of the following is NOT an inflammatory mediator implicated in asthma?

    <p>Insulin</p> Signup and view all the answers

    Which inflammatory mediator is blocked by Leukotriene receptor antagonists in asthma treatment?

    <p>Leukotrienes C4, D4, and E4</p> Signup and view all the answers

    What is a common manifestation of intraoperative bronchospasm?

    <p>Decreased exhaled tidal volume</p> Signup and view all the answers

    What is the consequence of airway remodeling in asthma?

    <p>Thickening of the basement membrane and smooth muscle mass</p> Signup and view all the answers

    Which condition is NOT listed as a possible cause of intraoperative bronchospasm?

    <p>Increased volatile agent concentration</p> Signup and view all the answers

    Which factor is NOT considered a common cause of asthma?

    <p>Limited exposure to pollutants</p> Signup and view all the answers

    What can favor airway closure in narrowed bronchioles?

    <p>Increase in gas flow velocity</p> Signup and view all the answers

    Which condition is associated with abnormal dilation or destruction of the respiratory bronchiole in the acinus?

    <p>Centrilobular emphysema</p> Signup and view all the answers

    What is a common feature of airway remodeling in asthma?

    <p>Fibrosis and narrowing of small airways</p> Signup and view all the answers

    Which factor contributes to mucus hypersecretion in emphysema?

    <p>Increased number of goblet cells</p> Signup and view all the answers

    What is a consequence of destruction of alveolar walls in emphysema?

    <p>Airway closure</p> Signup and view all the answers

    Which type of emphysema is commonly associated with cigarette smoking and COPD?

    <p>Centrilobular emphysema</p> Signup and view all the answers

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